CEN/TC 230

Registration number (WIID)Project No.TitleStatus
63240EN ISO 21253-1:2019Water quality - Multi-compound class methods - Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry (ISO/DIS 21253-1:2018)Izstrādē
73873EN ISO 20595:2022Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018)Izstrādē
76872EN ISO 20236:2024Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)Standarts spēkā
73640EN ISO 20236:2021Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)Atcelts
60334EN ISO 20227:2017Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO/DIS 20227:2016)Izstrādē
26423EN ISO 20079:2006Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)Izstrādē
24739EN ISO 19493:2007Water quality - Guidance on marine biological surveys of hard-substrate communities (ISO 19493:2007)Izstrādē
23247EN ISO 19458:2006Water quality - Sampling for microbiological analysis (ISO 19458:2006)Izstrādē
63234EN ISO 19340:2017Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO/DIS 19340:2017)Izstrādē
37217EN ISO 19250:2013Water quality - Detection of Salmonella spp. (ISO 19250:2010)Izstrādē
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